8 terms

Earth, Sun, and Moon

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Terms in this set (...)

Crater
A bowl shaped depression with a raised rim, formed by the impact of a meteorite
Axis
An imaginary line around which a planet rotates
Orbit
The curved path around an object, such as the path a planet follows around the sun
Atmosphere
The layer of gas surrounding planet Earth; held in place by gravity and composed of a limited number of elements — primarily nitrogen and oxygen
Satellite
Any object that revolves around another object in space
Weight
The heaviness of an object; the force of gravity on mass = weight.
Rotate/Rotation
The turning of the Earth on its imaginary axis (axial tilt)
Revolve/Revolution
The action by a celestial body of going round a fixed course

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